2275978 has 8 divisors (see below), whose sum is σ = 3531780. Its totient is φ = 1098720.

The previous prime is 2275961. The next prime is 2275993. The reversal of 2275978 is 8795722.

It can be written as a sum of positive squares in 2 ways, for example, as 2241009 + 34969 = 1497^2 + 187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2275978.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19563 + ... + 19678.

2^2275978 is an apocalyptic number.

2275978 is a deficient number, since it is larger than the sum of its proper divisors (1255802).

2275978 is a wasteful number, since it uses less digits than its factorization.

2275978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39272.

The product of its digits is 70560, while the sum is 40.

The square root of 2275978 is about 1508.6344819074. The cubic root of 2275978 is about 131.5394494835.

The spelling of 2275978 in words is "two million, two hundred seventy-five thousand, nine hundred seventy-eight".